US3279862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveying means and method
Assignee: Goodman Manufacturing Co LP
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Filing: 1964-03-11
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Granted: 1966-10-18
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Expires: 1984-03-11
Abstract
No abstract record available.
Inventors
- 👤 Elbert G Hubbard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:16
CPC Classifications
B; B65; B65G; B65G53/00; B65G2812/00; B65G2812/16; B65G2812/1608; B65G2812/1675; B65G2812/1683
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
198 words
MEANS FOR CONVEYING MATERIALS INCLUDING A HOUSING, A FIRST CONDUIT HAVING AN INLET END OUTSIDE SAID HOUSING AND AN OUTLET END INSIDE SAID HOUSING, A SECOND CONDUIT HAVING AN INLET END INSIDE SAID HOUSING AND AN OUTLET END OUTSIDE SAID HOUSING, SAID FIRST CONDUIT OUTLET END AND SAID SECOND CONDUIT INLET END BEING SPACED APART ALONG A COMMON AXIS WITHIN SAID HOUSING, A FRUSTO-CONICAL BAFFLE POSITIONED IN SAID HOUSING TO DIVIDE SAID HOUSING INTO A VACUUM CHAMBER AND A PRESSURE CHAMBER, SAID BAFFLE HAVING A CENTRAL APERTURE AND HAVING A PORTION SURROUNDING SAID APERTURE POSITIONED BETWEEN SAID FIRST CONDUIT OUTLET END AND SAID SECOND CONDUIT INLET END WITH SAID PORTION SPACED AXIALLY FROM BOTH OF SAID ENDS, THE INNER DIAMETERS OF SAID FIRST CONDUIT, SAID BAFFLE APERTURE AND SAID SECOND CONDUIT BEING SUBSTANTIALLY EQUAL, SAID BAFFLE DEFINING WITH THE ENDS OF SAID CONDUITS ANNULAR PASSAGES BETWEEN SAID CONDUITS AND THE HOUSING CHAMBERS, AN OUTLET PASSAGE FORMED IN SAID HOUSING FROM SAID VACUUM CHAMBER, AN INLET PASSAGE FORMED IN SAID HOUSING FOR COMMUNICATION WITH SAID PRESSURE CHAMBER, AND A VACUUM-PRESSURE GENERATOR HAVING ITS VACUUM SIDE COMMUNICATING WITH SAID OUTLET PASSAGE AND ITS PRESSURE SIDE COMMUNICATING WITH SAID INLET PASSAGE.
Claim 2
Dependent Claim
198 words
MEANS FOR CONVEYING MATERIALS INCLUDING A HOUSING, A FIRST CONDUIT HAVING AN INLET END OUTSIDE SAID HOUSING AND AN OUTLET END INSIDE SAID HOUSING, A SECOND CONDUIT HAVING AN INLET END INSIDE SAID HOUSING AND AN OUTLET END OUTSIDE SAID HOUSING, SAID FIRST CONDUIT OUTLET END AND SAID SECOND CONDUIT INLET END BEING SPACED APART ALONG A COMMON AXIS WITHIN SAID HOUSING, A FRUSTO-CONICAL BAFFLE POSITIONED IN SAID HOUSING TO DIVIDE SAID HOUSING INTO A VACUUM CHAMBER AND A PRESSURE CHAMBER, SAID BAFFLE HAVING A CENTRAL APERTURE AND HAVING A PORTION SURROUNDING SAID APERTURE POSITIONED BETWEEN SAID FIRST CONDUIT OUTLET END AND SAID SECOND CONDUIT INLET END WITH SAID PORTION SPACED AXIALLY FROM BOTH OF SAID ENDS, THE INNER DIAMETERS OF SAID FIRST CONDUIT, SAID BAFFLE APERTURE AND SAID SECOND CONDUIT BEING SUBSTANTIALLY EQUAL, SAID BAFFLE DEFINING WITH THE ENDS OF SAID CONDUITS ANNULAR PASSAGES BETWEEN SAID CONDUITS AND THE HOUSING CHAMBERS, AN OUTLET PASSAGE FORMED IN SAID HOUSING FROM SAID VACUUM CHAMBER, AN INLET PASSAGE FORMED IN SAID HOUSING FOR COMMUNICATION WITH SAID PRESSURE CHAMBER, AND A VACUUM-PRESSURE GENERATOR HAVING ITS VACUUM SIDE COMMUNICATING WITH SAID OUTLET PASSAGE AND ITS PRESSURE SIDE COMMUNICATING WITH SAID INLET PASSAGE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |